BR112014011644A2 - célula transdutora micromecanizada capacitiva pré-colapsada e método de fabricação de uma célula transdutora micromecanizada capacitiva pré-colapsada - Google Patents

célula transdutora micromecanizada capacitiva pré-colapsada e método de fabricação de uma célula transdutora micromecanizada capacitiva pré-colapsada

Info

Publication number
BR112014011644A2
BR112014011644A2 BR112014011644A BR112014011644A BR112014011644A2 BR 112014011644 A2 BR112014011644 A2 BR 112014011644A2 BR 112014011644 A BR112014011644 A BR 112014011644A BR 112014011644 A BR112014011644 A BR 112014011644A BR 112014011644 A2 BR112014011644 A2 BR 112014011644A2
Authority
BR
Brazil
Prior art keywords
micromechanized
transducer cell
collapsed
collapsed capacitive
capacitive
Prior art date
Application number
BR112014011644A
Other languages
English (en)
Portuguese (pt)
Inventor
Lee Robinson Andrew
Douglas Fraser John
Original Assignee
Koninklijke Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112014011644A2 publication Critical patent/BR112014011644A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
    • H02N1/002—Electrostatic motors
    • H02N1/006—Electrostatic motors of the gap-closing type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Pressure Sensors (AREA)
  • Micromachines (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BR112014011644A 2011-11-17 2012-11-05 célula transdutora micromecanizada capacitiva pré-colapsada e método de fabricação de uma célula transdutora micromecanizada capacitiva pré-colapsada BR112014011644A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161560836P 2011-11-17 2011-11-17
PCT/IB2012/056152 WO2013072803A1 (en) 2011-11-17 2012-11-05 Pre-collapsed capacitive micro-machined transducer cell with annular-shaped collapsed region

Publications (1)

Publication Number Publication Date
BR112014011644A2 true BR112014011644A2 (pt) 2017-05-02

Family

ID=47324242

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014011644A BR112014011644A2 (pt) 2011-11-17 2012-11-05 célula transdutora micromecanizada capacitiva pré-colapsada e método de fabricação de uma célula transdutora micromecanizada capacitiva pré-colapsada

Country Status (9)

Country Link
US (2) US9762148B2 (https=)
EP (1) EP2747905B1 (https=)
JP (1) JP6265906B2 (https=)
CN (1) CN103958079B (https=)
BR (1) BR112014011644A2 (https=)
IN (1) IN2014CN03656A (https=)
MX (1) MX2014005795A (https=)
RU (1) RU2609917C2 (https=)
WO (1) WO2013072803A1 (https=)

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US10445547B2 (en) 2016-05-04 2019-10-15 Invensense, Inc. Device mountable packaging of ultrasonic transducers
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US11673165B2 (en) 2016-05-10 2023-06-13 Invensense, Inc. Ultrasonic transducer operable in a surface acoustic wave (SAW) mode
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US10891461B2 (en) 2017-05-22 2021-01-12 Invensense, Inc. Live fingerprint detection utilizing an integrated ultrasound and infrared sensor
US10474862B2 (en) 2017-06-01 2019-11-12 Invensense, Inc. Image generation in an electronic device using ultrasonic transducers
US10643052B2 (en) 2017-06-28 2020-05-05 Invensense, Inc. Image generation in an electronic device using ultrasonic transducers
US10997388B2 (en) 2017-12-01 2021-05-04 Invensense, Inc. Darkfield contamination detection
US10984209B2 (en) 2017-12-01 2021-04-20 Invensense, Inc. Darkfield modeling
WO2019109010A1 (en) 2017-12-01 2019-06-06 Invensense, Inc. Darkfield tracking
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EP3533386A1 (en) * 2018-02-28 2019-09-04 Koninklijke Philips N.V. Pressure sensing with capacitive pressure sensor
US10755067B2 (en) 2018-03-22 2020-08-25 Invensense, Inc. Operating a fingerprint sensor comprised of ultrasonic transducers
CN108793061B (zh) * 2018-05-25 2020-11-27 岭南师范学院 一种全电极凸纹结构cmut器件的制备方法
WO2020030776A1 (en) * 2018-08-09 2020-02-13 Koninklijke Philips N.V. Intraluminal device with capacitive pressure sensor
CN109530194B (zh) * 2018-10-18 2020-07-14 天津大学 一种多电极cmut单元及多频式电容微机械超声换能器
US10936843B2 (en) 2018-12-28 2021-03-02 Invensense, Inc. Segmented image acquisition
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US11216681B2 (en) 2019-06-25 2022-01-04 Invensense, Inc. Fake finger detection based on transient features
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US11176345B2 (en) 2019-07-17 2021-11-16 Invensense, Inc. Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness
US11232549B2 (en) 2019-08-23 2022-01-25 Invensense, Inc. Adapting a quality threshold for a fingerprint image
US11392789B2 (en) 2019-10-21 2022-07-19 Invensense, Inc. Fingerprint authentication using a synthetic enrollment image
CN115551650A (zh) 2020-03-09 2022-12-30 应美盛公司 具有非均匀厚度的接触层的超声指纹传感器
US11243300B2 (en) 2020-03-10 2022-02-08 Invensense, Inc. Operating a fingerprint sensor comprised of ultrasonic transducers and a presence sensor
US11328165B2 (en) 2020-04-24 2022-05-10 Invensense, Inc. Pressure-based activation of fingerprint spoof detection
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Also Published As

Publication number Publication date
US20140265721A1 (en) 2014-09-18
CN103958079B (zh) 2016-08-24
EP2747905A1 (en) 2014-07-02
IN2014CN03656A (https=) 2015-10-16
CN103958079A (zh) 2014-07-30
RU2609917C2 (ru) 2017-02-07
US10128777B2 (en) 2018-11-13
WO2013072803A1 (en) 2013-05-23
US20170353129A1 (en) 2017-12-07
EP2747905B1 (en) 2021-10-20
US9762148B2 (en) 2017-09-12
RU2014124363A (ru) 2015-12-27
JP6265906B2 (ja) 2018-01-24
MX2014005795A (es) 2014-05-30
JP2014533907A (ja) 2014-12-15

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements
B350 Update of information on the portal [chapter 15.35 patent gazette]